Euchorthippus declivus - Pygmy Toothed Grasshopper
(Brisout, 1848)

Description: Medium-sized (♂ 15-20 mm, ♀ 21-27 mm), brown or yellow locust. Head large, hindwing 1-2 mm shorter than forewing. Wings by the male extend to about ¾ of the abdomen, by the female they are shorter. The female's fore wing often has a light stripe along the lower margin. The Chorthippus lobe is present on the wing. The side keels of the pronotum are parallel, the tympanon is oval-shaped. The male subgenital plate is posteriorly pointed and yellow to orange-yellow in colour.
Similar species: Chorthippus albomarginatus, Euchorthippus pulvinatus
Adults: from June to October.
The faint song consists of very short (less than half a second) chirps, repeated for up to a minute with 1 sec. intervals. Similar to the song of Ch. brunneus , but less sharp.

Recording: Dobos Zsolt (field recording, 29 °C)
Habitat: Semi-arid grasslands, extensive agricultural areas. Thermophilic.
Widespread and common, can be very abundant in lowlands.

Euchorthippus declivus, male
(Author: Földesi Krisztina, source: ízeltlábú, CC BY 4.0)

Euchorthippus declivus, female
(Author: Kiss Tamás, source: ízeltlábú, CC BY 4.0)

Euchorthippus declivus, copula
(Author: Dobos Zsolt)